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<table width="100%" summary="page for StrikeNb"><tr><td>StrikeNb</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Number of Strikes in Us Manufacturing </h2>

<h3>Description</h3>

<p>monthly observations from 1968(1) to 1976 (12)
</p>
<p><em>number of observations</em> :  108
</p>
<p><em>observation</em> :  country
</p>
<p><em>country</em> :  United States
</p>


<h3>Usage</h3>

<pre>data(StrikeNb)</pre>


<h3>Format</h3>

<p>A time series containing :
</p>

<dl>
<dt>strikes</dt><dd><p>number of strikes (number of contract strikes in U.S. manufacturing beginning each month)</p>
</dd>
<dt>output</dt><dd><p> level of economic activity (measured as cyclical departure of aggregate production from its trend level)</p>
</dd>
<dt>time</dt><dd><p> a time trend from 1 to 108</p>
</dd>
</dl>



<h3>Source</h3>

<p>Kennan, J. (1985) &ldquo;The Duration of Contract strikes in U.S. Manufacturing&rdquo;, <em>Journal of Econometrics</em>, <b>28</b>, 5-28.
</p>
<p>Cameron, A.C.  and    Trivedi P.K. (1990) &ldquo;Regression Based Tests for Overdispersion in the Poisson  Model&rdquo;, <em>Journal of Econometrics</em>, December, 347-364.
</p>


<h3>References</h3>

<p>Cameron, A.C.  and   Trivedi P.K. (1998) <em>Regression analysis of count data</em>, Cambridge University Press, <a href="http://cameron.econ.ucdavis.edu/racd/racddata.html">http://cameron.econ.ucdavis.edu/racd/racddata.html</a>, chapter 7.
</p>


<h3>See Also</h3>

<p><code>Index.Source</code>, <code>Index.Economics</code>, <code>Index.Econometrics</code>, <code>Index.Observations</code>,
</p>
<p><code>Index.Time.Series</code></p>


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